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Chemical Equili...

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  • Question 1
    4 / -1

    A certain buffer solution contains equal concentrations of X− and HX. Kb for X− is 10-10. The pH of the buffer solution is

  • Question 2
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    The solubility product of a sparingly soluble salt AB at room temperature is 1.21 × 10–6 M2. Its molar solubility is

  • Question 3
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    The solubility in water of a sparingly soluble salt, AB2 is 1.0 × 10–5 mol L–1. Its solubility product number will be

  • Question 4
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    A certain weak acid has a dissociation constant of 1.0 × 10–4. The equilibrium constant for its reaction with a strong base is

  • Question 5
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    If Ka1 and Ka2 acid are 1 × 10-2 and 1 × 10-6 respectively, then concentration of sulphate ions in 0.01 MH2SO4 solution will be

  • Question 6
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    For the solution of a weak electrolyte AB2, the degree of dissociation is given by

  • Question 7
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  • Question 8
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  • Question 9
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  • Question 10
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    The PKa of a weak acid HA is 4.80 The pKb of a weak base BOH is 4.78 The PH of an aqueous solution of the corrosponding salt BA will be

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